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Catherine Liu

Catherine Liu

Beijing ZBSD Patent & Trademark Agent Ltd. · China
Beijing ZBSD Patent & Trademark Agent Ltd.
Intellectual Property · China
Beijing ZBSD Patent & Trademark Agent Ltd is one of the leading full service IP firms in China, which was founded in Beijing in 2003 with branch offices in Xi’an and Hebi.

At present, ZBSD has 210 staff members, including 5 lawyers, 48 patent attorneys, 80 patent engineers, 12 trademark attorneys and over 60 supporting staff.

As of 2011, ZBSD has been selected as a leading IP Firm in China by Managing Intellectual Property and a Four-Star Patent Agency by China Intellectual Property News.
  • Memberships:
Protection of Intellectual Property (AIPPI)
International Trademark Association (INTA)
All-China Patent Attorneys Association (ACPAA)
Beijing Intellectual Property Society (BIPS)
Japan Intellectual Property Association (JIPA)
China Trademark Association (CTA)

Practice areas
  • Application/ Granting of rights
Patent: ZBSD provides services regarding the search, application, responding to office action, granting of right, reexamination, invalidation, and litigation, etc.

Trademark: ZBSD provides services regarding the search, application for registration, renewal, opposition, responding to office action, review, and litigation, etc.

Copyright: ZBSD provides services regarding registration, assignment, and litigation, etc.
  • Post-grant protection
Services on management of rights (annuity management, related searches and application for opposition to invalidation)

Services on infringement disputes (investigation, reexamination and litigation on infringement-related cases)

Services on technology property right exchange (appraisement of technology, transfer and permitted exploitation contract of patent, and transfer and license contract of trademark)
  • Comprehensive intellectual property service
In order to comprehensively protect client’s IP rights throughout the application, grant and post-grant phases, ZBSD has accumulated intensive knowledge and experience in technological and legal respects in handling cases like infringement litigation, technology property right exchange and so on, in the meantime, ZBSD has been dedicated to providing all-dimensional legal services to clients through all procedures.
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